The patch titled
wm971x: check for pen up on both axes
has been added to the -mm tree. Its filename is
wm971x-check-for-pen-up-on-both-axes.patch
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See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: wm971x: check for pen up on both axes
From: Lars Munch <lars@xxxxxxx>
This prevents sending wrong Y coordinates if pen up happens exactly between
sampling for X coordinates and Y coordinates.
Signed-off-by: Lars Munch <lars@xxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Cc: Dmitry Torokhov <dtor@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/input/touchscreen/wm9712.c | 2 +-
drivers/input/touchscreen/wm9713.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/input/touchscreen/wm9712.c~wm971x-check-for-pen-up-on-both-axes drivers/input/touchscreen/wm9712.c
--- a/drivers/input/touchscreen/wm9712.c~wm971x-check-for-pen-up-on-both-axes
+++ a/drivers/input/touchscreen/wm9712.c
@@ -362,7 +362,7 @@ static int wm9712_poll_coord(struct wm97
if (pil && !(data->p & WM97XX_ADCSEL_PRES))
goto err;
- if (!(data->x & WM97XX_PEN_DOWN)) {
+ if (!(data->x & WM97XX_PEN_DOWN) || !(data->y & WM97XX_PEN_DOWN)) {
wm->pen_probably_down = 0;
return RC_PENUP;
}
diff -puN drivers/input/touchscreen/wm9713.c~wm971x-check-for-pen-up-on-both-axes drivers/input/touchscreen/wm9713.c
--- a/drivers/input/touchscreen/wm9713.c~wm971x-check-for-pen-up-on-both-axes
+++ a/drivers/input/touchscreen/wm9713.c
@@ -359,7 +359,7 @@ static int wm9713_poll_coord(struct wm97
if (pil && !(data->p & WM97XX_ADCSEL_PRES))
goto err;
- if (!(data->x & WM97XX_PEN_DOWN)) {
+ if (!(data->x & WM97XX_PEN_DOWN) || !(data->y & WM97XX_PEN_DOWN)) {
wm->pen_probably_down = 0;
return RC_PENUP;
}
_
Patches currently in -mm which might be from lars@xxxxxxx are
wm971x-check-for-pen-up-on-both-axes.patch
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